1220127374 has 4 divisors (see below), whose sum is σ = 1830191064. Its totient is φ = 610063686.

The previous prime is 1220127371. The next prime is 1220127409. The reversal of 1220127374 is 4737210221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4737210221 = 823 ⋅5756027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220127371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305031842 + ... + 305031845.

It is an arithmetic number, because the mean of its divisors is an integer number (457547766).

Almost surely, 2^1220127374 is an apocalyptic number.

1220127374 is a deficient number, since it is larger than the sum of its proper divisors (610063690).

1220127374 is an equidigital number, since it uses as much as digits as its factorization.

1220127374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610063689.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 1220127374 is about 34930.3216990625. The cubic root of 1220127374 is about 1068.5669154411.

Adding to 1220127374 its reverse (4737210221), we get a palindrome (5957337595).

The spelling of 1220127374 in words is "one billion, two hundred twenty million, one hundred twenty-seven thousand, three hundred seventy-four".